6621046 has 8 divisors (see below), whose sum is σ = 10028304. Its totient is φ = 3278280.

The previous prime is 6621029. The next prime is 6621061. The reversal of 6621046 is 6401266.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6621046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15865 + ... + 16276.

It is an arithmetic number, because the mean of its divisors is an integer number (1253538).

Almost surely, 2^6621046 is an apocalyptic number.

6621046 is a deficient number, since it is larger than the sum of its proper divisors (3407258).

6621046 is a wasteful number, since it uses less digits than its factorization.

6621046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32246.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6621046 is about 2573.1393277473. The cubic root of 6621046 is about 187.7769158629.

It can be divided in two parts, 66 and 21046, that added together give a palindrome (21112).

The spelling of 6621046 in words is "six million, six hundred twenty-one thousand, forty-six".